Tottenham Hotspur are expected to make midfield changes this summer as Ange Postecoglou continues to shape his squad in North London. Postecoglou has hit some difficulties in recent times but his first season in the job should still be seen as an encouraging one. The 4-0 defeat at Newcastle United followed up by a 3-2 home defeat to Arsenal… that’s a recipe no Tottenham manager wants to cook up. Postecoglou finds himself in that boat right now though and he heads to Chelsea on Thursday night in need of a result. Tottenham’s top four hopes are dwindling and the Australian will be desperate to g…